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      02-09-2012, 03:47 AM   #59
Rodion
First Lieutenant
Finland
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350
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Drives: X3 (F25)
Join Date: Sep 2011
Location: Helsinki, Finland

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What is the problem?

The battery needs heat before start and while driving, otherwise it does not charge up.

Solution: heat the battery while driving and when engine is pre heated.

Commercial solution already exists: http://www.arcticheat.fi/arcticbatteryheater.htm

Googletranslate version into English: http://translate.google.com/translat...er.htm&act=url

Please tell this to your BMW service and I hope someone tips München engineers that solution is already available.
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